DE2851149A1 - Extraktionsverfahren - Google Patents
ExtraktionsverfahrenInfo
- Publication number
- DE2851149A1 DE2851149A1 DE19782851149 DE2851149A DE2851149A1 DE 2851149 A1 DE2851149 A1 DE 2851149A1 DE 19782851149 DE19782851149 DE 19782851149 DE 2851149 A DE2851149 A DE 2851149A DE 2851149 A1 DE2851149 A1 DE 2851149A1
- Authority
- DE
- Germany
- Prior art keywords
- metal
- treatment device
- contact treatment
- mineral
- extractant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 30
- 238000000605 extraction Methods 0.000 title claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 49
- 239000002184 metal Substances 0.000 claims description 49
- 239000003153 chemical reaction reagent Substances 0.000 claims description 29
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 239000011707 mineral Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 229910052770 Uranium Inorganic materials 0.000 claims description 8
- 239000012141 concentrate Substances 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 8
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003456 ion exchange resin Substances 0.000 claims description 6
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000002738 chelating agent Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- 229910052755 nonmetal Inorganic materials 0.000 claims description 5
- -1 TcirnadiuEy SInIt 1 Chemical compound 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052793 cadmium Inorganic materials 0.000 claims description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 2
- 125000001302 tertiary amino group Chemical group 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 150000003973 alkyl amines Chemical class 0.000 claims 1
- 239000003957 anion exchange resin Substances 0.000 claims 1
- 239000012071 phase Substances 0.000 description 16
- 238000010828 elution Methods 0.000 description 8
- 239000002253 acid Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 206010016256 fatigue Diseases 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000003350 kerosene Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000282979 Alces alces Species 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/003—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/28—Amines
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/30—Oximes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3846—Phosphoric acid, e.g. (O)P(OH)3
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/026—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries liquid-liquid extraction with or without dissolution in organic solvents
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0252—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries
- C22B60/0265—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes treatment or purification of solutions or of liquors or of slurries extraction by solid resins
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4917877 | 1977-11-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2851149A1 true DE2851149A1 (de) | 1979-06-07 |
| DE2851149C2 DE2851149C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-08 |
Family
ID=10451454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19782851149 Granted DE2851149A1 (de) | 1977-11-25 | 1978-11-25 | Extraktionsverfahren |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605289A1 (de) * | 1996-02-13 | 1997-08-14 | Lehmann Riekert Achim | Herstellung von Kupfer aus gereinigten Erzkonzentraten |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4606894A (en) * | 1980-09-26 | 1986-08-19 | Ecodyne Corporation | Uranium recovery from carbonate leach liquors using carboxylic acid cation exchange resin |
| AU571105B2 (en) * | 1984-08-24 | 1988-03-31 | WMC (Olympic Dam Corporation) Pty Ltd | Selective extraction of uranium |
| AU608333B2 (en) * | 1984-08-24 | 1991-03-28 | WMC (Olympic Dam Corporation) Pty Ltd | Selective extraction of uranium |
| US4759913A (en) * | 1987-04-15 | 1988-07-26 | Freeport Research And Engineering Company | Recovery of liquid phases from three phase emulsions formed in solvent extraction processes |
| CA2025165C (en) * | 1990-09-13 | 1997-11-25 | Edmond K. Lam | Removal of molybdenum from uranium-bearing solutions |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649209A (en) * | 1969-03-14 | 1972-03-14 | Graesser Ltd R | Treatment of solids with liquids |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4035292A (en) * | 1972-11-16 | 1977-07-12 | Himsley Engineering Limited | Fluid solid contact process and apparatus |
| FR2352062A1 (fr) * | 1976-05-19 | 1977-12-16 | Minemet Rech Sa | Procede pour l'extraction de l'uranium contenu dans les minerais phosphates. |
-
1978
- 1978-11-22 ZA ZA00786587A patent/ZA786587B/xx unknown
- 1978-11-23 AU AU41886/78A patent/AU524708B2/en not_active Expired
- 1978-11-23 ZM ZM100/78A patent/ZM10078A1/xx unknown
- 1978-11-24 YU YU02758/78A patent/YU275878A/xx unknown
- 1978-11-24 AR AR274576A patent/AR216559A1/es active
- 1978-11-24 CA CA316,830A patent/CA1106188A/en not_active Expired
- 1978-11-24 BR BR7807732A patent/BR7807732A/pt unknown
- 1978-11-25 DE DE19782851149 patent/DE2851149A1/de active Granted
- 1978-11-27 US US05/963,775 patent/US4303620A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649209A (en) * | 1969-03-14 | 1972-03-14 | Graesser Ltd R | Treatment of solids with liquids |
Non-Patent Citations (1)
| Title |
|---|
| Journal of Metals, 1966, S.18-21 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19605289A1 (de) * | 1996-02-13 | 1997-08-14 | Lehmann Riekert Achim | Herstellung von Kupfer aus gereinigten Erzkonzentraten |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2851149C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-09-08 |
| US4303620A (en) | 1981-12-01 |
| AR216559A1 (es) | 1979-12-28 |
| AU4188678A (en) | 1979-05-31 |
| AU524708B2 (en) | 1982-09-30 |
| ZM10078A1 (en) | 1980-12-22 |
| YU275878A (en) | 1982-08-31 |
| BR7807732A (pt) | 1979-07-31 |
| ZA786587B (en) | 1979-10-31 |
| CA1106188A (en) | 1981-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69908323T2 (de) | Extraktion von wetmetall durch saüre/cyanid laugung | |
| DE1299621B (de) | Verfahren zur Konzentrierung von waessrigen Nickel- und Kobaltloesungen | |
| DE2403461C3 (de) | Verfahren zur flotativen Anreicherung von Blei und Silber aus den Rückständen von Laugungsprozessen, die Blei in oxidierter Form enthalten | |
| DE4028989C1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2851149A1 (de) | Extraktionsverfahren | |
| DE2214911C3 (de) | Verfahren zur Gewinnung von Nickel hoher Reinheit aus oxydischen Erzen | |
| DE2311242C3 (de) | Verfahren zur Gewinnung von Kupfer, Zink oder Nickel aus sulfidischen Erzen | |
| DE3121668A1 (de) | Verfahren zur selektiven auslaugung von chlorid aus kupferoxidmineralien | |
| EP0333796B1 (de) | Verfahren und vorrichtung zur aufarbeitung von hydroxidschlämmen | |
| AT398986B (de) | Verfahren zum aufarbeiten von sauren, fe-haltigen lösungen, insbesondere abfallbeizlösungen | |
| DE19521352A1 (de) | Verfahren zur Aufarbeitung ammoniakalischer Metallösungen | |
| DE2632877A1 (de) | Verfahren zum entfernen von ammoniak aus organischen loesungen eines oxim- metall-chelats | |
| EP0043919A2 (de) | Verfahren zur Metallgewinnung aus komplexen Erzen und sekundären Vorstoffen | |
| DE2526388A1 (de) | Verfahren zum gewinnen unedler metalle aus manganhaltigen erzen | |
| DE2160632C3 (de) | Verfahren zur selektiven Trennung und Gewinnung von Kupfer, Nickel, Kobalt und Zink aus NE-metallhaltigen Lösungen | |
| DE225952C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE326594C (de) | Verfahren zur Behandlung von auf rein trockenem Wege nicht gut verarbeitbaren Zink-Bleierzen durch Auslaugen des erforderlichenfalls geroesteten Guts mit Schwefelsaeure unter Druck und hoher Temperatur | |
| DE2530452C3 (de) | Verfahren zum Auslaugen von polydispersen Erzkonzentraten | |
| DE231906C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2135732B2 (de) | Verfahren zur Gewinnung von Kupfer, Nickel, Kobalt und Molybdän aus Manganknollen | |
| AT400928B (de) | Verfahren zur aufarbeitung von zink/eisenhaltigen altsäuren | |
| DE161300C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2909022C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| DE2615287C2 (de) | Verfahren zur Aufarbeitung komplexer NE-metallhaltiger Lösungen durch Solventextraktion und Gewinnung der darin enthaltenen Wertträger | |
| DE1139981B (de) | Verfahren zur Trennung von Nickel und Kupfer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING. |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |